Tom Kha Gai - Thai Chicken Coconut Soup

chicken broth

coconut milk

thin slices galangal root

kaffir lime leaves, stem removed

lemongrass, crushed and halved

chicken, thinly sliced bite-sized pieces (I use thigh meat)

oyster mushroom, torn

onion, quartered or sliced (optional)

tomato, cut into big chunks (optional)

fresh hot chilies, crushed

fish sauce

sprigs cilantro, chopped

sprigs spring onion, chopped

limes, juice